Most actively traded companies on the TSX

Some of the most active companies traded Wednesday on the Toronto Stock Exchange:

Toronto Stock Exchange (15,561.95, up 84.78 points):

Mercator Minerals Ltd. (TSX:ML). Miner. Down one cent, or 28.57 per cent, to 2.5 cents on 13.5 million shares.

Pacific Rubiales Energy Corp. (TSX:PRE). Oil and gas. Up 19 cents, or 0.89 per cent, to 21.65 on 11.9 million shares.

Banro Corp. (TSX:BAA). Miner. Up 4.5 cents, or 18 per cent, to 29.5 cents on 8.8 million shares.

Torex Gold Resources Inc. (TSX:TXG). Miner. Down six cents, or 3.49 per cent, to $1.66 on 4.3 million shares.

Twin Butte Energy Ltd. (TSX:TBE). Oil and gas. Up four cents, or 2.19 per cent, to $1.87 on 3.6 million shares.

Petrowest Corp. (TSX:PRW). Oil and gas. Down five cents, or 4.07 per cent, to $1.18 on 3.2 million shares.

Companies reporting major news:

Sears Canada Inc. (TSX: SCC). Retail. Down 12 cents, or 0.75 per cent, to $15.95 on 8,208 shares. The company lost $21.3 million in its latest quarter as it was hit by severance and impairment charges and an unseasonably cool spring that hurt sales. The loss amounted to 21 cents per share, in the second quarter, compared with a profit of $152.8 million, or $1.50 per share, in the same period last year when its results were boosted by early lease terminations.